Microbiology

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West Nile encephalitis (WNE)

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Microbiology

Definition

West Nile encephalitis (WNE) is a viral infection of the brain caused by the West Nile virus, primarily transmitted through mosquito bites. It can lead to inflammation of the brain, which may result in severe neurological damage or death.

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5 Must Know Facts For Your Next Test

  1. West Nile virus is an arbovirus belonging to the Flavivirus genus that causes WNE.
  2. Symptoms of WNE range from mild flu-like symptoms to severe neurological issues such as seizures and paralysis.
  3. The primary vector for West Nile virus is the Culex species of mosquitoes.
  4. There is no specific antiviral treatment for WNE; management focuses on supportive care to alleviate symptoms.
  5. Birds serve as the natural reservoir for West Nile virus, facilitating its spread via mosquitoes.

Review Questions

  • What type of virus causes West Nile encephalitis?
  • Describe two possible severe neurological symptoms of WNE.
  • What role do birds play in the transmission cycle of West Nile virus?

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